Pharmacokinetics of propylthiouracil upon p.o. administration in man. 1980

H P Ringhand, and W A Ritschel, and M C Meyer, and A B Straughn, and T Hardt

A pharmacokinetic analysis of propylthiouracil (PTU) plasma concentration versus time data for twelve euthyroid subjects was performed using the NONLIN computer program. The plasma concentration-time curves were best described by a one-compartment open model. PTU was administered to fasted subjects as a single 150-mg peroral dose. Venous blood samples were taken for a period of 8 hrs, and the concentration of unmetabolized PTU was determined by a new specific high-pressure liquid chromatographic procedure. Estimates of pharmacokinetic parameters generated in the study were compared with corresponding parameters reported in the literature.

UI MeSH Term Description Entries
D007408 Intestinal Absorption Uptake of substances through the lining of the INTESTINES. Absorption, Intestinal
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008297 Male Males
D008657 Metabolic Clearance Rate Volume of biological fluid completely cleared of drug metabolites as measured in unit time. Elimination occurs as a result of metabolic processes in the kidney, liver, saliva, sweat, intestine, heart, brain, or other site. Total Body Clearance Rate,Clearance Rate, Metabolic,Clearance Rates, Metabolic,Metabolic Clearance Rates,Rate, Metabolic Clearance,Rates, Metabolic Clearance
D011441 Propylthiouracil A thiourea antithyroid agent. Propythiouracil inhibits the synthesis of thyroxine and inhibits the peripheral conversion of throxine to tri-iodothyronine. It is used in the treatment of hyperthyroidism. (From Martindale, The Extra Pharmacopeoia, 30th ed, p534) 6-Propyl-2-Thiouracil,6 Propyl 2 Thiouracil
D006207 Half-Life The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity. Halflife,Half Life,Half-Lifes,Halflifes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000284 Administration, Oral The giving of drugs, chemicals, or other substances by mouth. Drug Administration, Oral,Administration, Oral Drug,Oral Administration,Oral Drug Administration,Administrations, Oral,Administrations, Oral Drug,Drug Administrations, Oral,Oral Administrations,Oral Drug Administrations
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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